PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

643-3Relay,solid State

Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ · NSN 5945-01-150-3844 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-150-3844 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-150-3844. Primary manufacturer part number: 643-3.
Features
  • Relay,solid State — FSC 5945
  • 1 verified cross-reference
  • Primary manufacturer: Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,solid State, cataloged under National Stock Number 5945-01-150-3844, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-150-3844
Primary Part Number643-3
Item NameRelay,solid State
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTeledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6125-00-107-1552 INTERCHANGEABLE
Motor-Generator
4820-00-203-6042EP20U181 INTERCHANGEABLE
Valve,angle
Carrier Corp
5305-00-272-41031402574 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
2940-00-477-615211021444 INTERCHANGEABLE
Air Cleaner,intake
U S Army Tank Automotive Command Amsta-Im-Mm
3020-00-517-1773 INTERCHANGEABLE
Pulley,groove
2925-00-535-032113213 INTERCHANGEABLE
Cable Assy,ignition
Frontgrade Technologies Inc.
5950-00-581-99556433 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
3010-00-696-6178A6433 INTERCHANGEABLE
Clutch Half,positive,nonvehicula
Aerocontrolex Group, Inc. Div Talley Actuators
5342-01-065-9413 INTERCHANGEABLE
Hinge,fence Gate
4820-01-098-7368 INTERCHANGEABLE
Cock,poppet Drain
Cross-Reference Index
Part NumberManufacturer
643-3 PRIMARY Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/ (USA)
Related Parts
6125-00-107-1552INTERCHANGEABLE
MOTOR-GENERATOR
4820-00-203-6042INTERCHANGEABLE
VALVE,ANGLE
EP20U181
5305-00-272-4103INTERCHANGEABLE
SCREW,MACHINE
1402574
2940-00-477-6152INTERCHANGEABLE
AIR CLEANER,INTAKE
11021444
3020-00-517-1773INTERCHANGEABLE
PULLEY,GROOVE
2925-00-535-0321INTERCHANGEABLE
CABLE ASSY,IGNITION
13213
5950-00-581-9955INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6433
3010-00-696-6178INTERCHANGEABLE
CLUTCH HALF,POSITIVE,NONVEHICULA
A6433
5342-01-065-9413INTERCHANGEABLE
HINGE,FENCE GATE
4820-01-098-7368INTERCHANGEABLE
COCK,POPPET DRAIN
3439-01-245-7349INTERCHANGEABLE
SOLDERING-DESOLDERING STATION
643-3
5330-01-289-6571INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5945-01-150-3844?

NSN 5945-01-150-3844 is a Relay,solid State, manufactured by Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-150-3844?

NSN 5945-01-150-3844 has 1 cross-referenced part number: 643-3 (Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/).

What NSN replaces 5945-01-150-3844?

There are 12 known substitutes for 5945-01-150-3844: 6125-00-107-1552, 4820-00-203-6042, 5305-00-272-4103 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 643-3?

Key specifications for 643-3: Special Features: SPSTNO; 130 VDC OUTPUT VOLTAGE; 600 MA OUTPUT CURRENT; 3.8 TO 10 VDC CONTROL VOLTAGE RANGE; POLARIZED; 0.750 IN. LG; 0.250 IN. W; 0.265 IN. H; TRANSFORMER ISOLATED; PLUG-IN MTG VDC. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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